.crossword-input {
  width: 20px;
  height: 20px;
  text-align: center;
  color: transparent;
  text-shadow: 0 0 0 black;
  text-transform: uppercase;
  border: 1px solid black;
}

.crossword-input:focus {
  background-color: lightblue;
  outline: none;
}

.crossword-input:disabled {
  background-color: black;
}

.black-out {
  background-color: black;
}

.red-text {
  text-shadow: 0 0 0 red;
}

.active-word {
  background-color: #ff6;
}

.clues-box {
  font-family: arial, sans-serif;
}

.clue-section {
  display: inline-block;
  width: 200px;
  padding: 5px;
  border: 1px solid black;
  height: 280px; overflow-y: auto;
  background-color: white;
}

.clue-text {
  padding: 2px 5px 2px 10px;
  font-size: 10px;
  text-align: left;
}

.clue-text:hover {
  background-color: #ffa;
  cursor: pointer;
}

@media screen and (min-width: 935px) {
  .clue-section {
    height: 468px;
  }
  .clues-box {
    display: table-cell;
    vertical-align: bottom;
  }
  .cross-shell form {
    display: table-cell;
  } 
  .cross-shell {
    display: inline-table;
  }
  .clue-text {
    font-size: 13px;
  }
}